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Junghans 684.77
Ligne: 10.5'''
Jewels: 10
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 23.8 mm
Height: 5.3 mm
Hands: 1.28 x 0.98 x 0.30 mm
The Junghans 684.77 is a mechanical watch movement featuring a pin-lever escapement, a ratchet on the dial side, and a crown mechanism with a rocker bar. Its differences from the 48/10a are not known. This movement offers functions such as manual winding and a sweep second hand. It was used around the period of 1960.
The Junghans 684.77 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1366 | Ordinary/None | Buy staff |
| 1367 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.100 x 315 x 9.5 mm | Manual | Buy mainspring | |
| 1.60 x 0.095 x 280 x 8.5 mm | GR4475 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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